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ALOKRAJ. V - NA07B004
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General All deck machinery and construction equipment are to be supplied and installed to meet classification, intended operational & owner’s requirement.
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Anchors & Mooring Equipment An anchor is a heavy object, often made out of metal, that is used to attach a ship to the sea bottom and prevent the ship from moving. Two bow anchors (each of 1920 kg) with high holding force together with shackle and stud link chain cable are to be installed in accordance with the rules.One spare anchor to be provided and stored on board
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BOW ANCHOR
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AJAI KURIAN MATHEW - NA07B002 ALOKRAJ. V - NA07B004
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General All deck machinery and construction equipment are to be supplied and installed to meet classification, intended operational & owner’s requirement.
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Anchors & Mooring Equipment An anchor is a heavy object, often made out of metal, that is used to attach a ship to the sea bottom and prevent the ship from moving. Two bow anchors (each of 1920 kg) with high holding force together with shackle and stud link chain cable are to be installed in accordance with the rules.One spare anchor to be provided and stored on board
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BOW ANCHOR
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Anchor Windlass-cum- Mooring winch. An anchor windlass is a machine that restrains and manipulates the anchor chain and/or rope on a boat, allowing the anchor to be raised and lowered. Electro-hydraulic Drive. Each windlass cum winch with two cable lifter & two warping drum and one central drum to be provided. Capacity of cable lifter : 9 Tons @ 12 meter/min or as per classification requirement which ever is higher.
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Capstans Two electro-hydraulic capstans. An apparatus used for hoisting weights, consisting of a vertical spool-shaped cylinder that is rotated manually or by machine and around which a cable is wound. Pulling force of 5 tonnes @ 15m/min.
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Tugger Winch. A small drum winch designed to assist the crew in manipulating the heavy pieces of towing gear such as chain bridles, towing plates and large towing wires used in anchor-handling or ship- handling work Commonly fitted in offshore vessels at the cargo deck area behind the superstructure
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HYDRAULIC TUGGER WINCH
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Capacity 10 tonnes at 15m/min. The winch is to be complete with one wire drum and one inboard warping head, complete with 250mx22mm dia wire.
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Smit bracket Fitting welded on deck to enable towing connections to be made quickly and securely. The vessel shall be equipped with a 150 tonnes SWL ‘Smit bracket’ on the fox’le deck.
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Lashing Lugs & Dummy Capstans 20 numbers of 5T SWL lugs are to be arranged on main deck / Cargo Rail. Sufficient (8 Nos.) numbers of dummy capstans each are to be fitted on the supports of the cargo rails / main deck suitably at the port & stbd. LUG
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Bollard Around 12 bollards of 12” NB on board vessel. Mooring pipes or chocks for the above bollards are to be fitted to the bulwark as required.
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Davit Used to lower things over an edge of a long drop off such as lowering a maintenance trapeze down a building or launching a lifeboat over the side of a ship.
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One davit along with an electric operated winch of 1 Ton SWL is to be provided on the stbd side on the forecastle deck mounted close to or on the bulwark.
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National Colours "Staff" to be installed at mast for national colours. Escape Hatches Watertight hatches, with counter weights in: Engine room Aft Thruster Compartment. Construction Equipment Room Bow thruster room.
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Rungs or vertical ladder are to be fitted for each escape hatch and area to be illuminated by emergency light.
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Storm Rails A support brace is provided for structurally linking a sliding door to a surrounding structure. The support brace includes an elongate rail having a first end and a second end. Storm rails and grab rails to be fitted all round deckhouse and wheelhouse and on exterior bulkheads. Storm rails also to be fitted in convenient positions in toilets, engine room and thruster compartments.
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Drainage for Decks Suitable scupper pipes minimum 50mm to be positioned in funnels, along the main deck, forecastle deck and wheelhouse top to facilitate deck drainage. Drains are to discharge overboard through a storm valve. Covers for Deck Equipment Suitable strong PVC / Canvas covers for deck equipment such as compass, searchlight, speaker, signal lights, anchor windlass, etc are to be provided.
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Deck Crane Two electro hydraulic telescopic type marine crane is to be fitted on the main deck. Both the cranes to be 360 0 continuous slewing type. Main Crane The Main crane to have a telescopic boom with 3 or 4 extensions, which can be extended at least to 55 meters. SWL of 20 metric tons @ 20 meter radius and to be able to lift the load to a height of 30 meters above waterline. The crane to be fitted with a safe load indicator and air- conditioned operator’s cabin Aux. Crane The Aux. crane to have a telescopic boom with 1 extension which can be extended at least 12 meters. The SWL of crane top be 3 metric tons @ 12 meter radius. The crane to be fitted with a operator chair.
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Crash bar/Cargo Rails : Cargo rails made of 8" N.B.,Sch(Nominal Bore, Schedule). 80 pipes to sustain minimum 100 T compressive strength are to be fitted longitudinally along the main deck for the stowage of pipes, etc. on P+S to be fitted around cargo area of main deck. The height of cargo rail/crash bar is to be 1.5 m. Work Deck The aft working deck area of about 325 m 2 suitably sheathed with hard wood is to be provided. The deck loading is 5 T/m 2.
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Working Air System. Compressor: The Vessel shall be equipped with one permanently installed Electric driven working air compressor connected to working air supply system Outlet points include the clear open deck on both sides at the stern, workshop, covered fabrication area and construction equipment room. Refrigerated Air Dryer: Refrigerated air dryer to be provided to handle the above mentioned compressor. The dryer shall ensure that the air is dry in all ambient temperature & humidity conditions in the Arabian Gulf.
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Marine Air Compressor Refrigerated Air Dryer
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Chemical Dosing pump One electric driven chemical dosing pump is installed. Dosing pump unit to be complete with reservoir tanks and dosing manifold required to inject corrosion inhibitor into oil flow lines temporarily out of service. The chemical dosing pump is connected to the flushing pump. Specifications include: Flow rate : variable to suit the flushing pump, injection rate control range from 50ppm to 1000ppm Discharge pressure : 0 to 30 bar. Type of Chemical : Surflo B17, Nalco Visco 3656, Baroid coat 777, Cronox 669, and other flow line additives as required.
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Chemical Dosing Pump
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